Midea MCH2U-18PHH2 User Manual

28
IPM board of MCH2U-18PHH2, MCH3U-27PHH2
BK
RD
BL
1
K
G
S
CTI 600V
17122000018251
W
V
U
17122000018251
250 VAC
Time
Co nstant
IPM OCP
RD
BK
BL
64
16
J2
EU-KFR80W/BP3(IR311+PS21997+
FAN_DC
SIM6822+LOCK).D.13.WP2-1
Pi n1
CN7
CN9
CN10
5V→3. 3V
3.3V→ 1.8V
U
V
W
3
2
4
CAUTION HIGH VOLTAGE
1
1
2 4
+
+
CN3
NTC1
R3
D2
41
CN8
Program_Debug
6
1
Online writing
R168
+
DZ10
+
DZ9
+
DZ8
R2
PTC2
J7 J 6
J9
J8
F_DC Fan
R167
R1 66
R165
C81
CN1
CN11
ZR3 ZR2
ZR1
C13
R46
+
E15
C85
IC21
78 05
C82
R164
C103
R
1
6
3
R162
R
1
6
1
IC2
CN4
L
CN5
N
CN2
R1 _1
R1_2
R1_3
R1 _4
R17
IC19
78 05
CN13
D7
+
DZ6
C99
IC6
7815
R87
D14
R125
IC10 24LC25624L C08
C63
C50
C49
CY1
DZ4
R1 24
C1
+
E6
+
E5
PTC1
FUSE1
T/3.15A
- +
～
BR2
IC3
T1
IPM1
R121
R67
R90
R84
C7 C 12
R
1
1
5
R114
R113
R1 12
R1 11
R110
R109
R1 08
R107
R1 05
R1 02
R101 R100
R99
R
9
7
R96
R95
R94
R93
R92
R91
R89
R88
R86
R83
R82
R81
R80
R79
R77
R76
R75
R74
R73
R72
R71
R69
R68
R65
R64
R63
R62
R61
R58
R54
R53
R51
R49
R48
R47
R44
R43
R40
R38 R37
R36
R35
R34 R33 R 31
R30
R29
R28
R27
R26
R25
R
2
4
R23
R21
R20
R19
R18 R16
R15
R14
R13
R12
R11 R10
R9
R8
R7
R6 R4
Q2
OSC1
LED2
+
LED1
1
17
49
33
IC14
IC13
IC12
IC11
IC9
IC8
IC7
IC4IC1
C1 00C101
C4
C95
C96
C97
C98
+
E14
+
E13
E12
+
E11
+
+
E9
+
+
E8
C102
+
E4
+
E1
+
DZ5
+ DZ1
D19
D13
D12
+
D11
D6
+
D3
D1
C78
C77
C76
C75
C74
C73
C72
C71
C70
C69
C68
C67
C
6
6
C65
C64
C
6
2
C
6
1
C60
C59
C58
C57
C56
C54 C53
C
5
2
C51
C47
C46
C45
C44
C43
C42
C41
C40
C39
C37
C36
C35
C34
C33
C32
C31
C30
C29
C28
C27
C26
C25
C24
C23
C22
C21
C20
C19
C18
C17
C16
C
1
5
C14
C11
C10
C8
C5
C3
C2
IGBT1
D20
C6
IC15
IPM2
SIM6 822M
+
E2
R1 06
CN 16
R118
R85
R1 19
R1 20
R57
+
E3
R1 17
R116
R1 22
R1 23
R70
R78
C38
R50
R66
D9
J4
C80
C55
R138 R137
R136 C84
R1 35
R143 R133
R1 32
IC 17
Q6
IC 16
C79
C83
IC5
R145
Q8
Q9
R1 44
R141
R1 48
R1 47
R1 46
C90
R98
J3
E27
7815
+
DZ7
E26
+
E25
R
1
3
9
R
1
6
0
C91
D21
R158
R157
R1 56
R159
C
9
2
IC 18
R127
C48
R140
R39
R41
D22
R42
D23
R10_1
R10_2
R10_3
R11_1
R11_2
R11_3
J2
R
1
3
4
BR1
C9
C86
L1
R52
CN_COMP
CN_Reactor
R45
R1
J1
J5
R32
R59
R22
Q1
R103
J
1
0
J12
J11
R83_1
J13
R5
power supply
CN4(L)-CN5(N)
connect to the main board no use
fuse1 T/3.15A
Compressor drive EEPROM
online writing
Compressor drive Program
Debug
DC Fan Driver IPM module
10-200VAC (running)
0VAC (standby)
connect to the DC FAN motor
TXD
+12V DC
+5V DC
GND For +12V
RXD
5
4
3
2
1
no use
DC Fan fuse for DC FAN
T/3.15A
10-200VAC (running)
0VAC (standby)
connect to the compressor
no use
connect to the Reactor

Midea MCH2U-18PHH2 Specifications

General

Brand	Midea
Model	MCH2U-18PHH2
Category	Air Conditioner
Language	English